Definition: You are provided with an arithmetic question. Your task is to compute the solution using the given arithmetic operations. The only arithmetic operators needed to answer the questions are'+'(addition) and'-'(subtraction). The answer should be correct to one decimal place.
Input: There are 33 walnut trees currently in the park. Park workers willplant 44 walnut trees today. How many walnut trees will the parkhave when the workers are finished?

77.0